Senior Blockchain Developer

7 days ago

Multiple Locations, India CodeZio Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Job Title : Senior Blockchain Developer (Fully Remote)

Experience : 3 - 7 Years

Location : Fully Remote (India)

Employment Type : Full-Time

Notice Period : 15 Days (Max)


About the Role :

We are seeking a highly motivated and experienced Blockchain Developer to join our fully remote engineering team. The ideal candidate will have a strong background in software development, a deep understanding of blockchain technologies, and hands-on experience in designing, implementing, and deploying decentralized applications (dApps) and smart contracts. You will play a key role in building the core infrastructure of our innovative Web3 products.


Key Responsibilities :

- Smart Contract Development: Design, write, test, audit, and deploy highly secure and efficient smart contracts using Solidity on platforms like Ethereum, Polygon, or similar EVM-compatible chains.

- dApp Development: Develop and integrate back-end components of dApps, ensuring seamless interaction with blockchain nodes and APIs (e.g., , ).

- Architecture Design: Collaborate with the Product and Architecture teams to design and implement robust, scalable, and secure blockchain systems and protocols.

- Security & Optimization: Conduct rigorous testing, security audits, and code reviews to identify vulnerabilities and optimize smart contract gas usage and overall blockchain performance.

- Protocol Research: Stay up-to-date with the latest developments in the Web3 ecosystem, including new protocols, consensus mechanisms (PoS, PoA, etc.), and industry best practices.

- Cross-functional Collaboration: Work closely with front-end developers, product managers, and other stakeholders to deliver end-to-end blockchain solutions.

- Documentation: Create and maintain comprehensive technical documentation for all blockchain-related code, architecture, and development processes.


Required Skills and Qualifications :

- Experience: 3 to 7 years of total professional experience in software development, with at least 2 years focused specifically on Blockchain/Web3 development.

- Programming Languages: Expert proficiency in Solidity. Strong command of at least one general-purpose language like Python, Go, or JavaScript/TypeScript preferred for backend integration).

- Blockchain Platforms: Deep practical experience with the Ethereum Virtual Machine (EVM) and development frameworks/tools (e.g., Hardhat, Truffle, Foundry, OpenZeppelin).

- Cryptography: Solid understanding of cryptographic principles, distributed ledger technology (DLT), and consensus algorithms.

- System Design: Experience in designing decentralized architectures and understanding the trade-offs between on-chain and off-chain computation.

- Tools: Familiarity with version control (Git), CI/CD pipelines, and cloud platforms (AWS, Azure, or GCP).

- Education: Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.


Preferred Qualifications (Good to Have) :

- Experience with Layer 2 scaling solutions (e.g., Optimism, Arbitrum, ZK-Rollups).

- Knowledge of token standards (ERC-20, ERC-721, ERC-1155) and decentralized finance (DeFi) primitives.

- Prior experience contributing to open-source blockchain projects.

- Familiarity with other blockchain ecosystems like Cosmos, Solana, or Polkadot.


Why Join Us?

- Impact: Be at the forefront of the decentralized technology space and directly contribute to groundbreaking Web3 products.

- Flexibility: Enjoy the freedom and autonomy of a fully remote, full-time position.

- Culture: Work with a global team of passionate and skilled engineers in a fast-paced, collaborative environment.

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